AS 1531

Standard Overview

This standard specifies the requirements for bare overhead conductors made of aluminium and aluminium alloy, primarily used in power transmission and distribution networks.

Key Features

Conductor Types: Covers homogeneous bare conductors for overhead lines.

Wire Sizes: Ranges from 2.50 mm to 4.75 mm in diameter1.

Material: Includes aluminium (Al) and aluminium alloy (AAAC) conductors.

Mechanical & Electrical Properties: Defines tensile strength, conductivity, and elongation requirements.

Testing: Specifies methods for verifying compliance, including mechanical and electrical tests.

Applications

Overhead power lines (transmission & distribution).

Electrical infrastructure requiring lightweight, corrosion-resistant conductors.

Rural and urban power networks where bare conductors are used for cost efficiency and durability.

Compliance

Referenced in Australian electrical installation standards (e.g., AS/NZS 3000).

Similar to international standards like IEC 61089 for round wire concentric lay overhead conductors.

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